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Technical notes, renewable energy projects, useful fixes and updates.
Domains in postfix queue
The below command will list the domains in a postfix queue, with the numbers of mails for the domain.
Read more →Monitor postfix queue
That displays the queue summary and refreshes it every 30 seconds. Press Ctrl+C when you want to stop it.
Read more →Install Webmin on Rocky 10
sudo dnf update -y curl -o webmin-setup-repo.sh https://raw.githubusercontent.com/webmin/webmin/master/webmin-setup-repo.shsudo sh webmin-setup-repo.sh sudo dnf install webmin -y sudo systemctl enable webminsudo systemctl start webmin sudo systemctl…
Read more →Add swap file into linux
If RAM = 4GBUse swap = 4GB–8GB If RAM = 8GBSwap = 2GB–4GB is fine
Read more →install Proxmox guest agent in Debaim
Step 1 – Install the QEMU Guest Agent inside Debian sudo apt updatesudo apt install qemu-guest-agent -y Step 2 – Enable and Start the…
Read more →Copy a file from Windows to Linux
scp C:\path\to\win11.vhdx root@192.168.100.21:/var/lib/vz/images/
Read more →VIP Keepalived
Set up a virtual IP on proxmox cluster apt updateapt install keepalived -y nano /etc/keepalived/keepalived.conf run this on all nodes on the master node…
Read more →Check open for an open port
From a Windows powershell terminal in the above just change name/ip-here to the name or ip of what you are testing then change port-number-here…
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